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Highly Stereoselective Synthesis of E-α,β-Uksaturated Nitriles from Diphenyl Cyanomethyl Phcsphine Oxide.

 

作者: Guita Etemad-moghadam,   Jacqueline Seyden-penne,  

 

期刊: Synthetic Communications  （Taylor Available online 1984）
卷期: Volume 14, issue 6  

页码: 565-574

 

ISSN:0039-7911

 

年代: 1984

 

DOI:10.1080/00397918408059579

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The Wittig-Horner reaction from diethyl cyanomethyl phosphonate 1a and aldehydes is seldom highly stereoselective1. The use of diiscpropyl cyanomethyl phosphonate 1b has been recently proposed to improve the stereoselectivity of the reaction towards the E-α, β- unsatured nitriles 2E2.

 

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